HY8:Irregular Channel: Difference between revisions

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Latest revision as of 14:35, 4 October 2016

An irregular channel cross section option defines a channel using the channel slope and the station, elevation, and Manning's n at each input coordinate point. The number of coordinates allowed is unlimited, but using more coordinates will take longer to compute the results. All coordinates and n values may be copied from Microsoft Excel and pasted into the table. After all data have been entered, plot and view the channel cross section looking downstream.

Irregular Channel Tailwater Editor

Manning's n is defined as shown in the figure below. An n value is assigned for each segment of the cross section beginning at the left (looking downstream) coordinate (below). If the n value is the same throughout the cross section, copy the n value by dragging the value from the first cell.

HY8image TailwaterCrossSection.png